Borderou de evaluare (job #13194)

Compilare: user.cpp: In function 'int main()': user.cpp:6:21: warning: unused variable 'poz' [-Wunused-variable] user.cpp:6:44: warning: variable 'l' set but not used [-Wunused-but-set-variable] user.cpp:4:36: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)', declared with attribute warn_unused_result [-Wunused-result] user.cpp:5:38: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)', declared with attribute warn_unused_result [-Wunused-result] user.cpp:7:29: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result] user.cpp:10:17: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]